110636253213661 has 4 divisors (see below), whose sum is σ = 126441432244192. Its totient is φ = 94831074183132.

The previous prime is 110636253213643. The next prime is 110636253213679. The reversal of 110636253213661 is 166312352636011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (110636253213643) and next prime (110636253213679).

It is not a de Polignac number, because 110636253213661 - 2⁷ = 110636253213533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110636253211661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7902589515255 + ... + 7902589515268.

It is an arithmetic number, because the mean of its divisors is an integer number (31610358061048).

Almost surely, 2^{110636253213661} is an apocalyptic number.

It is an amenable number.

110636253213661 is a deficient number, since it is larger than the sum of its proper divisors (15805179030531).

110636253213661 is an equidigital number, since it uses as much as digits as its factorization.

110636253213661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15805179030530.

The product of its (nonzero) digits is 699840, while the sum is 46.

The spelling of 110636253213661 in words is "one hundred ten trillion, six hundred thirty-six billion, two hundred fifty-three million, two hundred thirteen thousand, six hundred sixty-one".